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6 October, 12:33

A three digit integer is selected at random what is the probability that the number is selected is a perfect square

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  1. 6 October, 12:45
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    Total number of outcomes = 100-999 = 900 outcomes

    lowest perfect square = 100

    highest perfect square = √1000 ≈ 31.5

    = 31^2 = 961

    So; No of perfect squares = 10-31 = 22

    So; probability of getting a perfect square = 22/900 = 11/450
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